APA (7th ed.) Citation

Ryan, W. J. L. (1958). Price theory. MacMillan & Co.

Chicago Style (17th ed.) Citation

Ryan, W. J. L. Price Theory. London [etc.]: MacMillan & Co, 1958.

MLA (9th ed.) Citation

Ryan, W. J. L. Price Theory. MacMillan & Co, 1958.

Warning: These citations may not always be 100% accurate.